SmartMods Poly Bushes Polyurethane is an ideal material for bushes, it is harder than rubber and more weather resistant. The added bonus is that changing the bushes is very easy. These are available on the SmartMods site. Loosen the wheel bolts, jack the front of the...
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451 Brake Caliper Removal
First of all loosen front wheel nuts, jack up the car and place the axle stand securely. Lower onto the stand. Check for security of car on stand - you're going to be working on it! With the wheel removed it will look like this. You are now going to remove the...
450 Brake Caliper Removal
First of all loosen front wheel nuts, jack up the car and place the axle stand securely. Lower onto the stand. Check for security of car on stand - you're going to be working on it! With the wheel removed it will look like this. You are now going to remove the...
Roadster Brake Caliper Removal
First of all loosen front wheel nuts, jack up the car and place the axle stand securely. Lower onto the stand. Check for security of car on stand - you're going to be working on it! With the wheel removed it will look like this. You are now going to remove the...
453 Brake Disc Upgrade
Better Discs? If you have the non turbo or the ED/EQ 453, you have the 12mm single thickness discs (lower disc shown below). You can fit the 22mm double thickness vented discs from the turbo 453 (upper disc shown below). These are Brembo 09.9078.75 discs. They are...
451 Brake Master Cylinder
Depending on what you want to do, you can remove just the master cylinder, the master cylinder with the vacuum brake booster or the entire brake pedal assembly. Firstly, drain the brake fluid from the system. You will need MB Star Diagnostics to refill the system...
MB Star – Cruise Control Coding
450 Fortwo's With A SAM Unit Only And All Roadsters Plug the MB Star multiplexer box into the OBD port of the car, turn on the laptop and boot up DAS. Press unlock on the key, place it into the ignition and turn it to position 1 to power the car up. When you get to...
MB Star – TAN Coding
What Is TAN Coding? TAN is a Transaction Number. It is purchased by a dealer from Mercedes in Germany. These codes unlock features in your car or allows MB Star to code keys. Is It Legal? The legality of creating your own TAN code or bypassing the TAN code...
Airbag Delete Resistor
Maybe you keep having an airbag light come on, perhaps you have fitted an aftermarket steering wheel, maybe you are tired of the seat side airbag connections failing. Of course, there are other possibilities such as wishing to use aftermarket seatbelt reels or you...
451 Paddle Wheel Doesn’t Work
Don't you just love it when smart changes the wiring for stuff for no reason.
Key Button Replacement
Key Tactile Switches The 450, Roadster and original Forfour use the same tactile switches on the key PCB. As with most things these days, they are probably the cheapest parts they could find for the job. They are low quality, have no internal dust protection and are...
450 Keys Stopped Working
Both Keys Don't Work When I say "don't work", I mean nothing. Not even the indicators flashing 9 times. Sometimes both keys will be temperamental but both will either not work at all or work OK. Firstly, check that both key batteries are OK by fitting new ones (not...
451 Throttle Body Wire Fault
A new fault is appearing on the 451 that can be fixed before it occurs
Spanner & Gear Indicator Flashing
1 or 2 spanners flashing and the gear indicator also flashing, what could it mean?
Wiring Repair Connectors
Repair Wiring Kits Repair kits are normally the plastic housing populated with terminals, each with a length of wire crimped to each terminal. The colours of the wires will mainly match up with a few exceptions. The idea with these repair kits is that the faulty...
MB Star – Baby Seat Coding
450 Fortwo With A SAM And All Roadsters So, you have fitted the fixing frame to the car and plugged it in. Time to code it in. Plug the MB Star multiplexer box into the OBD port of the car, turn on the laptop and boot up DAS. Press unlock on the key, place it into...
MB Star – Steering Wheel Calibration
450 Fortwo With A SAM And All Roadsters Plug the MB Star multiplexer box into the OBD port of the car, turn on the laptop and boot up Xentry. Press unlock on the key, place it into the ignition and turn it to position 1 to power the car up. When you get to the main...
MB Star – Rev Counter Coding
450 Fortwo's Only Plug the MB Star multiplexer box into the OBD port of the car, turn on the laptop and boot up DAS. Press unlock on the key, place it into the ignition and turn it to position 1 to power the car up. When you get to the main screen, press F2. Press F2....
MB Star – Paddle Shift Coding
450 Fortwo's With A SAM Unit And All Roadsters Fit First Fit your paddleshift steering wheel and swap the connector over under the dash on the 450 and Roadster. There is no connector to swap for the 451. If it doesn't work after coding, check the wiring. Then Code...
MB Star – Clutch Adjustment
Plug the MB Star multiplexer box into the OBD port of the car, turn on the laptop and boot up DAS. Press unlock on the key, place it into the ignition and turn it to position 1 to power the car up. When you get to the main screen, press F2. Press F2. Press F2. Scroll...